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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Letter from The Power Flexible Tubing Co., Ltd. discussing flexible tubing options for exhaust pipes.

Identifier  ExFiles\Box 27a\3\  Scan007
Date  15th March 1933
  
X1276
TELEPHONE: TOTTENHAM 4106-7.
ON ADMIRALTY LIST.
TELEGRAMS: 'AEROFLEXPHONE, LONDON'.
BENTLEY'S. CODE.

DIRECTORS:
A.{Mr Adams} C. GILLMAN,
C. MANN, B.S.A. MALONE,
M.{Mr Moon / Mr Moore} G.{Mr Griffiths - Chief Accountant / Mr Gnapp} MANN,
M.{Mr Moon / Mr Moore} D.{John DeLooze - Company Secretary} MILLAR.

THE POWER FLEXIBLE TUBING CO., LTD.,

MANUFACTURERS OF 'TUBOFLEX' FLEXIBLE METALLIC TUBING.
'AEROFLEX' Pneumatic Hose.
MONOMARK:- B.C.M./METFLEX.

DERBY WORKS, FINSBURY PARK, LONDON, N. 4.

15th March 1933

Messrs Rolls-Royce Limited,
DERBY.

Ref: ROY{Sir Henry Royce}/GEA.5/EB.

[STAMP: RECEIVED]
[STAMP: ROYCE LTD 16 MAR 1933]

Dear Sirs,

In reply to your memo of yesterday we have pleasure in handing you enclosed a copy of our catalogue, and beg to say that the tubing generally used in connection with exhaust pipes is either type "Tuboflex" as shewn on page 3 of the catalogue, or "Armoric No.2", the centre illustration on page 5.

The latter is a light type, very flexible, whilst the former is heavier and stronger, but not quite so pliable.

We shall be pleased to send you samples but before actually doing so would appreciate a line from you as to the purpose for which the flexible exhaust pipes are required. Would they be for your test beds for testing engines, or did you contemplate incorporating same in the mounting of the engines ?

In the latter case, if the tubing could be taken sufficiently long we would recommend our special type steel welded seamless flexible tubing with very narrow corrugations, giving best flexibility, although somewhat more expensive than either of the other two types mentioned above.

On hearing further from you the matter shall have our best attention.

Yours faithfully,
FOR THE POWER FLEXIBLE TUBING CO. LTD.

[Signature]

ENCLOSURE NO 898 'JUSTSO'
JM{Mr Morley}/BGH
  
  


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